:root{--primary-color:#222b30;--secondary-color:#f4f7f2;--accent-color:#63a622;--success-color:#63a622;--border-color:#d1d5db;--text-main:#1f2937;--text-muted:#6b7280;--bg-color:#eaece8}*{box-sizing:border-box;margin:0;padding:0;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}body{background-color:var(--bg-color);color:var(--text-main);justify-content:center;padding:20px;line-height:1.5;display:flex}.app-container{background:#fff;border-radius:12px;width:100%;max-width:500px;overflow:hidden;box-shadow:0 4px 6px -1px #0000001a,0 2px 4px -2px #0000001a}.receipt-header{background:var(--primary-color);color:#fff;border-bottom:4px solid var(--accent-color);justify-content:space-between;align-items:center;padding:15px;display:flex}.receipt-header h1{letter-spacing:.05em;color:var(--secondary-color);font-family:Montserrat,sans-serif;font-size:1.25rem;font-weight:800}.folio-group{flex-direction:column;align-items:flex-end;display:flex}.folio-group label{color:#9ca3af;margin-bottom:4px;font-size:.75rem}.folio-group input{color:#fff;background:#ffffff1a;border:1px solid #fff3;border-radius:4px;outline:none;padding:4px 8px;font-size:.875rem}.folio-group input::-webkit-calendar-picker-indicator{filter:invert()}form{padding:15px}.meta-section{background:var(--secondary-color);border-radius:8px;grid-template-columns:1fr 1fr;gap:15px;margin-bottom:15px;padding:12px;display:grid}.input-group{flex-direction:column;display:flex}.input-group label{color:var(--text-muted);text-transform:uppercase;margin-bottom:4px;font-size:.75rem;font-weight:600}.input-group select,.input-group input{border:1px solid var(--border-color);border-radius:6px;outline:none;width:100%;min-width:0;padding:8px;font-size:.875rem;transition:border-color .2s}.input-group select:focus,.input-group input:focus{border-color:var(--accent-color)}.receipt-section{border:1px solid var(--border-color);border-radius:8px;margin-bottom:15px;overflow:hidden}.section-row{border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:center;padding:4px 10px;display:flex}.section-row:last-child{border-bottom:none}.section-row span{font-size:.85rem;font-weight:500}.section-row.subtotal{background:var(--secondary-color)}.section-row.total{background:var(--primary-color);color:#fff}.section-row.total input{color:#fff}.amount-input{align-items:center;font-weight:600;display:flex}.amount-input input{text-align:right;width:80px;color:inherit;background:0 0;border:none;outline:none;margin-left:4px;font-size:.9rem;font-weight:600}input::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}input[type=number]{-moz-appearance:textfield}.section-row.in span{color:var(--success-color)}.section-row.out span{color:#dc2626}.section-row.total span,.section-row.subtotal span{color:inherit;font-weight:700}.submit-btn{background:var(--accent-color);color:#fff;cursor:pointer;border:none;border-radius:8px;justify-content:center;align-items:center;width:100%;margin-top:20px;padding:14px;font-family:Montserrat,sans-serif;font-size:1rem;font-weight:700;transition:background .2s,transform .1s;display:flex;box-shadow:0 4px 6px -1px #63a6224d}.submit-btn:hover{background:#4d8519}.submit-btn:disabled{cursor:not-allowed;background:#93c5fd}#statusMessage{text-align:center;margin-top:15px;font-size:.875rem;font-weight:500}.success-msg{color:var(--success-color)}.error-msg{color:#dc2626}.action-btn{background:var(--accent-color);color:#fff;cursor:pointer;border:none;border-radius:4px;margin-right:10px;padding:4px 8px;font-size:.75rem;font-weight:600;transition:background .2s}.action-btn:hover{background:#4d8519}.modal-overlay{z-index:1000;background:#00000080;justify-content:center;align-items:center;width:100%;height:100%;display:flex;position:fixed;top:0;left:0}.modal-content{background:#fff;border-radius:8px;flex-direction:column;width:90%;max-width:400px;display:flex;overflow:hidden;box-shadow:0 10px 15px -3px #0000001a}.modal-header{background:var(--primary-color);color:#fff;justify-content:space-between;align-items:center;padding:15px;display:flex}.modal-header h2{font-size:1.1rem}.close-btn{color:#fff;cursor:pointer;background:0 0;border:none;font-size:1.5rem}.modal-body{max-height:60vh;padding:15px;overflow-y:auto}.gastos-list{margin-bottom:15px}.gasto-item{border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:center;padding:8px 0;font-size:.875rem;display:flex}.gasto-item:last-child{border-bottom:none}.gasto-item .gasto-monto{font-weight:600}.delete-btn{color:#fff;cursor:pointer;background:#dc2626;border:none;border-radius:4px;margin-left:10px;padding:2px 6px;font-size:.7rem}.add-gasto-form{background:var(--secondary-color);border-radius:6px;flex-direction:column;gap:10px;padding:12px;display:flex}.add-gasto-form input{border:1px solid var(--border-color);border-radius:4px;outline:none;width:100%;padding:10px;font-size:.9rem}.add-gasto-form input[type=text],.add-gasto-form input[type=number]{flex:none;min-width:0}.add-btn{background:var(--accent-color);color:#fff;cursor:pointer;border:none;border-radius:4px;justify-content:center;align-items:center;width:100%;height:40px;font-size:1.2rem;font-weight:700;transition:background .2s;display:flex}.add-btn:hover{background:#4d8519}.modal-footer{border-top:1px solid var(--border-color);background:var(--secondary-color);padding:15px}.save-btn{background:var(--primary-color);color:#fff;cursor:pointer;border:none;border-radius:6px;width:100%;padding:10px;font-family:Montserrat,sans-serif;font-weight:700;transition:background .2s}.save-btn:hover{background:#151a1e}